Thenewdictionariesareveryuseful.
They__welland__already.
Asell;havebeensoldoutBsold;havesoldout
Csell;selloutDaresold;havebeensoldout
Thinkingthatherbabywasfastsleep,theyoungmotherlefttheroom,_____.
AquicklyandgentlyBquickandgentle.
CD省略.
第一题选A,第二题选B
请具体分析题目成分及某些用法.